DIY infrared digicam filter on the cheap
infrared filter project, which not only involves crafting the hack, but also adds some new flavor to your digital photography routine. With some cardboard tubes, old negatives, electrical tape, and a few other minor tools, you can whip up one of these in a jiffy. You're good to go as long as your camera's sensitive to infrared light -- something you can test using an IR remote. We suggest experimenting with subject matter like nature scenes or architecture, but if you decide to perv it up, good luck trying to peep those Japanese Olympic swimmers.
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